Home / 1,568,730,403.42-2,164,778,125.37-899,195,457.39

Finding the Fourth Proportional to 1,568,730,403.42, 2,164,778,125.37 and 899,195,457.39

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Solution

The fourth proportional to 1,568,730,403.42, 2,164,778,125.37 and 899,195,457.39 is: 1,240,849,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,730,403.42 : 2,164,778,125.37 = 899,195,457.39 : x
  2. Step 2: Convert to fraction form
    1,568,730,403.42/2,164,778,125.37 = 899,195,457.39/x
  3. Step 3: Cross multiply
    1,568,730,403.42x = 2,164,778,125.37 × 899,195,457.39
  4. Step 4: Simplify right side
    1,568,730,403.42x = 1,946,558,656,580,682,240
  5. Step 5: Solve for x
    x = 1,946,558,656,580,682,240/1,568,730,403.42
  6. Step 6: Final answer
    x = 1,240,849,703.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.